<template>
	<view>
		<view class="goods-list">
			<view v-for="(item,i) in goodsList" :key="i" @click="gotoDetail(item)">
				<my-goods :goods="item"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求的参数对象
				queryObj: {
					// 关键字
					query: '',
					// 分类id
					cid: '',
					// 页码值
					pagenum: 1,
					// 每页显示多少条数据
					pagesize: 10
				},
				// 商品列表
				goodsList: [],
				// 总数量
				total: 0,
				// // 默认的空图片
				// defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
				isloading: false
			};
		},
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			
			this.getGoodsList()
		},
		onReachBottom() {
			
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
			
			if(this.isloading) return
			this.queryObj.pagenum += 1
			this.getGoodsList()
		},
		onPullDownRefresh() {
			  // 1. 重置关键数据
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = []
			  
			this.getGoodsList(() => uni.stopPullDownRefresh())
		},
		methods: {
			async getGoodsList(cb) {
				
				// 打开节流阀
				this.isloading = true
				const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
	
				
				cb && cb()
				
				if (res.meta.status !== 200) return uni.$showMsg()
				
				// 关闭节流阀
				this.isloading = false
				
				this.goodsList = [...this.goodsList,...res.message.goods]
				this.total = res.message.total
			},
			gotoDetail(item){
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
				})
			}
		}
	}
</script>

<style lang="scss">

</style>
